import { Sound as SoundElement, SoundType } from "../../nlcore/elements/sound";
import { SoundToken } from "@narraleaf/sound";
import { FadeOptions } from "../../nlcore/elements/type";
import { Awaitable } from "../../../util/data";
import { GameState } from "../gameState";
import { LogicAction } from "../../nlcore/action/logicAction";
export type AudioDataRaw = {
    isPlaying: boolean;
    position: number;
};
export type AudioManagerDataRaw = {
    sounds: [string, AudioDataRaw][];
    groups: [SoundType, number][];
};
export declare class AudioManager {
    private gameState;
    private state;
    private channels;
    private channelVolumes;
    private globalVolume;
    private sound;
    private ready;
    private isReady;
    constructor(gameState: GameState);
    /**
     * Must be called ONCE on the client side to prepare audio subsystem.
     * Doing it here avoids "AudioContext is not defined" on the server.
     */
    initialize(): void;
    play(sound: SoundElement, options?: FadeOptions): Awaitable<void>;
    playSoundToken(sound: SoundElement, options?: FadeOptions): Promise<SoundToken>;
    stop(sound: SoundElement, duration?: number): Awaitable<void>;
    setVolume(sound: SoundElement, volume: number, duration?: number): Awaitable<void>;
    mute(sound: SoundElement, muted?: boolean): Awaitable<void>;
    pause(sound: SoundElement, duration?: number): Awaitable<void>;
    resume(sound: SoundElement, duration?: number): Awaitable<void>;
    setRate(sound: SoundElement, rate: number): Awaitable<void>;
    getPosition(sound: SoundElement): number;
    isPlaying(sound: SoundElement): boolean;
    getToken(sound: SoundElement): SoundToken | null;
    toData(): AudioManagerDataRaw;
    fromData(data: AudioManagerDataRaw, elementMap: Map<string, LogicAction.GameElement>): this;
    soundFromData(sound: SoundElement, data: AudioDataRaw): void;
    isManaged(sound: SoundElement): boolean;
    reset(): void;
    setGroupVolume(type: SoundType, volume: number): void;
    setGlobalVolume(volume: number): void;
    getGlobalVolume(): number;
    getGroupVolume(type: SoundType): number;
    destroy(): void;
    private setupGroupVolume;
}